Hitori


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Hitori is a logic puzzle with simple rules and challenging solutions.

The rules of Hitori are simple:
You have to shade some of the cells of the grid according to the rules:
- No number should appear unshaded more than once in a row or a column.
- 2 black cells cannot be adjacent horizontally or vertically.
- All non-shaded cells should be connected in a single group by vertical or horizontal motion.

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Hitori


5x5 Easy Hitori | 5x5 Normal Hitori | 5x5 Hard Hitori | 10x10 Easy Hitori | 10x10 Normal Hitori | 10x10 Hard Hitori | 15x15 Easy Hitori | 15x15 Normal Hitori | 15x15 Hard Hitori | 20x20 Easy Hitori | 20x20 Normal Hitori | 20x20 Hard Hitori

New Puzzle
This Month
1. tuberculosis
106
 04:12.53
2. stemvork 04:27.14
3. rekted 04:28.25
4. OGPartyGirl
25
 04:36.87
5. SudokuFan
35
 05:40.50
6. pandabiubiu
96
 07:07.44
7. tworivers
39
 09:08.67
8. Тори Тсуки...
20
 09:59.23
9. yorcho
83
 10:08.26
10. spen sp2
24
 10:14.60
11. Edash
144
 10:37.92
12. Iceberg9 12:00.21
13. nysnuib 12:12.12
14. hazelmus
19
 16:39.29
15. themcrafts 22:24.30
16. ElvisLives 22:48.53
17. KTSH4
8
 45:12.85
18. paporrubio23
28
 57:04.84
19. T.
36
 3:19:54.53
20.--- empty -----:--
This Week
1. stemvork 04:27.14
2. OGPartyGirl
25
 04:36.87
3. SudokuFan
35
 05:40.50
4. pandabiubiu
96
 08:03.20
5. tworivers
39
 09:08.67
6. Iceberg9 12:00.21
7. nysnuib 12:12.12
8. spen sp2
24
 12:13.59
9. Edash
144
 13:51.06
10. hazelmus
19
 19:38.24
11. T.
36
 3:19:54.53
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Today
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MO3
1. numbrr
314
 01:45.66
2. nabi
92
 01:49.50
3. Timitz
23
 01:50.62
4. Make
279
 01:57.85
5. qqwref
266
 02:44.21
6.anonymous
119
 02:57.38
7. SilverHawk
216
 03:00.97
8. vx14
181
 03:02.40
9. Ola Lenik
77
 03:06.54
10. LittlePiggy
83
 03:08.36
AO5
1. numbrr
314
 01:53.28
2. nabi
92
 01:54.08
3. Make
279
 02:03.39
4. Timitz
23
 02:13.04
5. qqwref
266
 02:52.46
6. vx14
181
 03:02.40
7. SilverHawk
216
 03:03.57
8.anonymous
119
 03:07.67
9. LittlePiggy
83
 03:12.40
10. Ola Lenik
77
 03:14.22
AO12
1. numbrr
314
 01:59.69
2. nabi
92
 02:01.22
3. Make
279
 02:11.53
4. Timitz
23
 02:49.60
5. qqwref
266
 02:57.25
6. SilverHawk
216
 03:04.78
7. vx14
181
 03:17.70
8. Ola Lenik
77
 03:20.50
9.anonymous
119
 03:25.87
10. IzAlexandre2
114
 03:28.75
Robots / programmatic solversinfo  
1.tlstyer
143
00:00.015
2.jllachan00:00.495
3.BertinSylux98
34
00:02.885

* MO3 - Mean of 3. The average of 3 consecutive times.
AO5 - Average of 5. The average of 5 consecutive times ignoring the highest and the lowest.
AO12 - Average of 12. The average of 12 consecutive times ignoring the highest and the lowest.
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